Page 1253 - Softbound_Edition_19_en

Proportional flow control valve
Proportional flow control valve

PERFORMANCE SPECIFICATIONS
Oil viscosity u = 30 mm /s
2
Q = f (I) Volume flow signal characteristics Q = f (p) Volume flow pressure characteristics
Measured at p = 150 bar I = I G
Q [l/min] Q [l/min]
40 K4246 40 K4247
30 Q N = 25 l/min 30 210 bar Q N = 25 l/min
20 20
10 10

0 0
0 10 20 30 40 50 60 70 80 90 100 I [%] 0 50 100 150 200 250 p [bar]

DIMENSIONS HYDRAULIC CONNECTION
Cavity drawing according to UNF
s30
A 7/8"-14 UNF-2B
* 7/8"-14UNF-2A
MD=5.5Nm
76 (3)
(3) (2)
37 (1)
(2)
V =

12 17 10 50 70 60 90 80
MD=5Nm 82.7 61

151.7
Attention! For detailed cavity drawing and cavity tools see data
sheet 2.13-1058
HB0
A
MD= 9.5Nm
74.8 11
35 PARTS LIST
N = 15 4 Position Article Description
10 206.2... V.E37 / 19 x 50
260.5... N.S35 / 19 x 50
10
*After loosening, open further only by hand (without tools). 12 154.2700 Knurled nut
15 239.2033 Screw plug HB0 (incl. seal)
17 160.2187 O-ring ID 18,72 x 2,62 (NBR)
50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
160.8188 O-ring ID 18,77 x 1,78 (FKM)
STANDARDS 60 160.2140 O-ring ID 14,00 x 1,78 (NBR)
Cartridge cavity Wandfluh standard 160.8140 O-ring ID 14,00 x 1,78 (FKM)
Solenoids DIN VDE 0580 70 160.2120 O-ring ID 12,42 x 1,78 (NBR)
Connection execution D EN 175301 – 803 160.8124 O-ring ID 12,42 x 1,78 (FKM)
Protection class EN 60 529 80 049.8177 Back-up ring PTSM rd 12,4 x 15,3 x 1,4
Contamination efficiency ISO 4406 90 049.8166 Backup ring PTSM rd 10,8 x 13,7 x 1,4

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 20 38 2.6-638 E
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